Answer: x = 64
Explanation:
First you need to know that if we have:
this is equal to
So,
can be rewritten as:
can be rewritten as:
and why did I do this? you may ask. This way I can rewrite the exponent as a square root, as following;
The property says that:
So, we can rewrite our operation as;
Now let's raise both sides to the power of 2, to get rid of the square root.